Re: Configuring multiple DataNodes

No, it supports System Properties passed to the Java process with
-Dproperty.name=value but not reading from environment variables directly.

On Fri, Apr 23, 2021 at 12:42 PM Tony Giaccone <[email protected]> wrote:

> Andrus,
>
> with these properties, you set an environment variable like this:
>
> $ export cayenne.jdbc.driver.eps.oracleDb=oracle.jdbc.OracleDriver
>
> and that sets the driver on that sdt of domain and node name?
>
>
> Tony
>
> On Fri, Apr 23, 2021 at 11:52 AM Andrus Adamchik <[email protected]>
> wrote:
>
> > also per-node connection params can be passed as properties:
> >
> >
> >
> https://cayenne.apache.org/docs/4.1/cayenne-guide/#appendix-a-configuration-properties
> > <
> >
> https://cayenne.apache.org/docs/4.1/cayenne-guide/#appendix-a-configuration-properties
> > >
> >
> >
> >
> > > On Apr 23, 2021, at 10:58 AM, John Huss <[email protected]> wrote:
> > >
> > > When you create your ServerRuntime you need to supply a custom DI
> module
> > to
> > > pass the DB connection parameters, something like this:
> > >
> > > *import* org.apache.cayenne.configuration.Constants;
> > >
> > > *import* org.apache.cayenne.di.Binder;
> > >
> > > *import* org.apache.cayenne.di.MapBuilder;
> > >
> > > *import* org.apache.cayenne.di.Module;
> > >
> > >
> > > *public* *class* MyModule *implements* Module {
> > >
> > > *public* *void* configure(Binder binder) {
> > >
> > > MapBuilder<String> mapBuilder = binder.bindMap(String.*class*,
> Constants.
> > > *PROPERTIES_MAP*);
> > >
> > > mapBuilder.put(Constants.*JDBC_URL_PROPERTY* +
> > > ".YourDataDomainName.YourDataNodeName", System.*getenv*("url"));
> > >
> > > ...
> > >
> > > }
> > >
> > > }
> > >
> > > On Fri, Apr 23, 2021 at 9:32 AM Tony Giaccone <[email protected]>
> wrote:
> > >
> > >> I have a datadomain with two datamaps, and two datasource each talking
> > to a
> > >> different database.
> > >>
> > >> Right now, I have had the datasource configured in the config file,
> but
> > I
> > >> need to remove that and set it programmatically, from an environment
> > >> variable.  Simple enough to do with a defauldata source, unclear how
> to
> > do
> > >> when you have multiple data sources and data nodes.
> > >>
> > >> After browsing through the code and the app as it's running, it's
> > unclear
> > >> to me how to do this.
> > >>
> > >> Does anyone know the secret sauce?
> > >>
> > >>
> > >>
> > >> Tony
> > >>
> >
> >
>